I need help solving for x with angles

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11